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/*
* Copyright 2018-2018 Adrian Thurston <thurston@colm.net>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "flatgoto.h"
void FlatGoto::LOCATE_TRANS()
{
if ( redFsm->classMap == 0 ) {
out <<
" " << trans << " = " << CAST(UINT()) << ARR_REF( indexDefaults ) << "[" << vCS() << "]" << ";\n";
}
else {
long lowKey = redFsm->lowKey.getVal();
long highKey = redFsm->highKey.getVal();
bool limitLow = keyOps->eq( lowKey, keyOps->minKey );
bool limitHigh = keyOps->eq( highKey, keyOps->maxKey );
out <<
" " << keys << " = " << OFFSET( ARR_REF( transKeys ), "(" + vCS() + "<<1)" ) << ";\n"
" " << inds << " = " << OFFSET( ARR_REF( indices ),
ARR_REF( flatIndexOffset ) + "[" + vCS() + "]" ) << ";\n"
"\n";
if ( !limitLow || !limitHigh ) {
out << " if ( ";
if ( !limitHigh )
out << GET_KEY() << " <= " << highKey;
if ( !limitHigh && !limitLow )
out << " && ";
if ( !limitLow )
out << GET_KEY() << " >= " << lowKey;
out << " ) {\n";
}
out <<
" " << ic << " = " << CAST("int") << ARR_REF( charClass ) << "[" << CAST("int") << GET_KEY() <<
" - " << lowKey << "];\n"
" if ( " << ic << " <= " << CAST("int") << DEREF( ARR_REF( transKeys ), keys.ref() + "+1" ) << " && " <<
"" << ic << " >= " << CAST("int") << DEREF( ARR_REF( transKeys ), keys.ref() + "" ) << " )\n"
" " << trans << " = " << CAST(UINT()) << DEREF( ARR_REF( indices ),
inds.ref() + " + " + CAST("int") + "( " + ic.ref() + " - " + CAST("int") +
DEREF( ARR_REF( transKeys ), keys.ref() + "" ) + " ) " ) << "; \n"
" else\n"
" " << trans << " = " << CAST(UINT()) << ARR_REF( indexDefaults ) <<
"[" << vCS() << "]" << ";\n";
if ( !limitLow || !limitHigh ) {
out <<
" }\n"
" else {\n"
" " << trans << " = " << CAST(UINT()) << ARR_REF( indexDefaults ) << "[" << vCS() << "]" << ";\n"
" }\n"
"\n";
}
}
}
void FlatGoto::LOCATE_COND()
{
if ( red->condSpaceList.length() > 0 ) {
out <<
" " << cond << " = " << CAST( UINT() ) << ARR_REF( transOffsets ) << "[" << trans << "];\n"
"\n";
out <<
" " << cpc << " = 0;\n";
out <<
" switch ( " << ARR_REF( transCondSpaces ) << "[" << trans << "] ) {\n"
"\n";
for ( CondSpaceList::Iter csi = red->condSpaceList; csi.lte(); csi++ ) {
GenCondSpace *condSpace = csi;
if ( condSpace->numTransRefs > 0 ) {
out << " " << CASE( STR(condSpace->condSpaceId) ) << " {\n";
for ( GenCondSet::Iter csi = condSpace->condSet; csi.lte(); csi++ ) {
out << "if ( ";
CONDITION( out, *csi );
Size condValOffset = (1 << csi.pos());
out << " ) " << cpc << " += " << condValOffset << ";\n";
}
out <<
" " << CEND() << "\n}\n";
}
}
out <<
" }\n"
" " << cond << " += " << CAST( UINT() ) << "" << cpc << ";\n";
}
}
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